i have CUCM 10.5 and some users make call using phone speakers after no answer call we get fast busy tone for about 30sec the call timeout so can we decrees this time to 3 or 5 sec
Dears
Can i have Help Hear As i want to ask about CUCM version: 10.5.2.12901 FAC for third party sip phone it's supported or not and if yes can we have some help of configuration
Note: FAC Working on All Cisco Phones well with no problem
BR,
